US2480599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interference suppression system for radio receivers and the like
Assignee: Individual
•
Filing: 1947-07-31
•
Granted: 1949-08-30
•
Expires: 1967-07-31
Abstract
No abstract record available.
Inventors
- 👤 Oxford Alan John Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:39
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/36; H; H03; H03G; H03G3/00; H03G3/20; H03G3/22; H03G3/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2096874A
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US2151740A
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US2265290A
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US2209507A
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US2250144A
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US2420303A
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US2425315A
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US2459798A
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US2460202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |